Description: There, I will guide the process of 5 Steps How to replace Nissan key fob Battery in a Nissan vehicle. I will mention the entire process step by step here.
Why Your Nissan Key Fob Battery Needs Replacing
Batteries have a specific life; with continuous use, they lose power. That new battery is 3 volts. If, after a long time of use, the battery voltage is below 3 volts, that time you will feel the lock or unlock not working properly, so it needs to be replaced at that time with a remote battery.
Common Signs of a Weak Key Fob Battery
Modern vehicle. If the remote battery has an issue, the combination meter message “battery low” will appear with the symbol of the remote. So you can easily rectify the problem and change the remote battery.
What Happens If You Don’t Replace It?
If you don’t replace the remote battery, the vehicle can’t detect the key, and the vehicle won’t start. Because the vehicle inside and outside has an antenna, it detects the remote location via frequency. Your car lock/unlock system is also not working.
What You’ll Need Before You Change the Key Fob Battery
Before starting to replace the key fob battery, you want to unlock your car via the manual switch, and the power window glass should be down.
Tools Required
To replace the Nissan key fob battery, you want some simple tools. 1 small-sized screwdriver and hand gloves: you can wear gloves and dismantle the remote with the screwdriver easily. After removing the battery, make sure you see which side is blank and which side has the code number of the battery, because if you fix it in the opposite direction, your remote will not work because you changed positive to negative.
Recommended Battery Type for Most Nissan Models
Mostly Nissan key batteries are of 2 types: number (2025) and (2032), small and big sizes. When you change the remote battery, you see this number written on the battery; you can easily check.
5 Steps How to replace Nissan key fob Battery
First STEP
You can open the key fob with a screwdriver. Don’t damage the remote body; be very careful.
Second step
You can remove the old battery carefully; make sure the inside circuit doesn’t get damaged. because inside there is a very small microchip.
Third step
Insert the new battery and check that there is a clamp-type angle; this one is ground. Make sure this one touches the battery while fixed. If it does not touch, you can pull it a little with a screwdriver slowly.
Fourth step
Reassemble the key fob set and clean it. Check if all sides of theproperly or not, because sometimes 1 side is not fixed, then the remote does not work, and you want to press it hard.
Fifth step
Check the key fob functionality, like lock/unlock, remote starting, and trunk opening, one by one. You can check after taking it inside the car and checking if the car starts ok and if no message is coming in the display, then finish.
Key Fob Troubleshooting
Key Fob Still Not Working?
If you change the key fob battery but it still does not work, a possible cause is a key fob internal issue; there may be moisture coming in, and the circuit may have a short. It would be better to remove the key circuit and clean it with electronic contact cleaner after air spraying and refixing it to make it ok.
When to Contact a Nissan Dealer
If your car key fob drops in water or drops upstairs, either the car combination meter key light comes on or the car does not start and only cranks. At that time, you want to go to a Nissan dealer to replace the key fob unit and also get key programming at the same time.
Nissan Key Fob Battery FAQ
Q) How long does a Nissan key fob battery last?
A) Mostly it depends on your usage, but a maximum vehicle remote battery lasts 1 year. Sometimes the spare key is not used, but you need to replace it because the remote consumes power.
Q) Can I use a different battery brand?
A) YES, you can use a different battery brand, but the battery code number should be the same, like Nissan uses 2025, 2032, like that.
Q) Will I need to reprogram the key fob after changing the battery?
A) NO, for key fob battery replacement time, there is no need to program the key; only for key fob replacement time is there a need to program the key.